Compare 45/70 and 72/8
1st number: 45/70, 2nd number: 9 0/8
45/70 is smaller than 72/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
45/70 = 45 × 4/70 × 4 = 180/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
72/8 = 72 × 35/8 × 35 = 2520/280 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/280 < 2520/280 or 45/70 < 72/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70 and 72/8 45/70 and 72/16 45/70 and 72/24 45/70 and 72/40 45/70 and 72/56